CalendarService service = CalendarService.getInstance();
ChangeWorkingTimeDialogBox dlg = ChangeWorkingTimeDialogBox
.getInstance(getGraphicManager().getFrame(), project,wc, documentCalendars,restrict,this.getUndoController());
dlg.doModal();
}
void doLevelResourcesDialog() {
// ResourceLevelingDialogBox.getInstance(getGraphicManager().getFrame(), null).doModal();